Clock



FIG. 1 is a front elevation of a clock showing my new design in which the numerals are arranged in vertical columns, the rear being substantially plain and unornamented;

FIG. 2 is a perspective view of the clock in FIG. 1 showing the right side and top, the left side and bottom being mirror images of the right side and top respectively, and

FIG. 3 is a front elevation of another embodiment of my clock in which the numerals are arranged in horizontal rows, the rear being substantially plain and unornamented, the sides being substantially identical to the top and bottom of the clock in FIGS. 1 and 2, and the top and bottom being substantially identical to the sides of the clock in FIGS. 1 and 2. 

The ornamental design for a clock, substantially as shown and described. 